Topic: action execution

Previous neuroanatomical tracing studies on monkey ventrolateral prefrontal cortex (VLPFC) suggest the existence of a rostro-caudal organization, in which caudal and middle areas are mainly involved in controlling oculomotor and skeletomotor behaviors, respectively, while rostral ones in more abstract operations (Gerbella et al. 2017). A recent study (Rozzi et al. 2023) demonstrated that this region, as a whole, processes contextual information relevant for action guidance. To address whether there are potential functional differences within specific VLPFC areas, we employed Demixed Principal

Reaction time (RT), that is the time it takes for an action plan to be executed, has been the interested of numerous studies. Of particular focus has been the RT in the context of perceptual ambiguities, when evidence towards taking a certain action must be integrated over time in order to execute the correct action. The stochastic drift diffusion model explains how such integration leads to the observed variability in RT, but what explains RT variability in a task where there is no ambiguity in what action will be rewarded?We trained recurrent neural network models to perform a delayed memory